Rainproof device for transmission part of mill

Abstract

The utility model discloses a rainproof device for a transmission part of a mill, which comprises a rainproof cover I, a rainproof cover II, a rainproof cover III, a gear cover pressing ring, a steel bar, a bull gear flange and a connecting bolt, the plurality of sectional rain covers are sequentially connected through side flanges on the two sides of the first rain cover, the third rain cover, the second rain cover, the third rain cover, the first rain cover, the first rain cover, the third rain cover, the second rain cover, the third rain cover and the first rain cover; the first rain cover, the second rain cover and the third rain cover are connected to the two sides of the large gear flange through flanges at the lower ends of the rain covers. The upper end of each rain cover does not exceed the outer edge of the gear cover pressing ring. The sectional rain covers are connected with one another and completely cover the large gear web, the upper ends of the rain covers do not exceed the gear cover pressing rings, the gear cover pressing rings completely cover the upper ends of the rain covers, rain prevention of the transmission part of the mill is achieved, and it is guaranteed that the mill can still normally operate during outdoor operation in rainy seasons.

Description

Technical Field

[0001] The utility model relates to a rainproof device for a mill transmission part, in particular to a rainproof device for a mill transmission part operating outdoors in an environment with heavy precipitation, belonging to the technical field of rain protection. Background Art

[0002] The mill is a key equipment for crushing materials after they are crushed. Due to its stable operation and reliable work, it is widely used in the production industries of ferrous and non-ferrous metal beneficiation, cement, silicate products, new building materials, glass and ceramics, etc., to grind various ores and other grindable materials dry or wet. Due to the complex structure of the mill and the harsh working environment, its working place is usually divided into indoor and outdoor. The mill structure will also be changed accordingly according to geological conditions and climatic conditions. When working outdoors, the precipitation in the rainy season is large, and rainwater entering the mill transmission part will have a huge impact on the machine, which will not only affect the working effect and efficiency of the mill, but even damage the mill body. At present, the protective device of the mill transmission part adopts a segmented gear cover, which can only completely cover the large gear ring. However, when working outdoors, in heavy rain, rainwater will enter the gear cover with the belly of the large gear and accumulate water at the bottom, affecting the smooth operation of the mill. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a rainproof device for the transmission part of a mill in view of the defects of the prior art, so as to ensure that the mill can still operate normally, stably and efficiently when operating outdoors in the rainy season.

[0004] In order to solve this technical problem, the utility model provides a rainproof device for the transmission part of a grinding mill, including a rainproof cover 1, a rainproof cover 2, a rainproof cover 3, a gear cover pressure ring, a steel bar, a large gear flange and a connecting bolt. The rainproof cover 1, the rainproof cover 2 and the rainproof cover 3 all include a conical rainproof baffle, a side flange and a lower end flange. A plurality of segmented rainproof covers are respectively divided into the rainproof cover 1, the rainproof cover 3, the rainproof cover 2, the rainproof cover 3, the rainproof cover 1, the rainproof cover 1, the rainproof cover 3 and the rainproof cover 2. , rain shield three and rain shield one are connected to form a complete rain protection device through the side flanges on the left and right sides thereof in sequence by using bolts and nuts; the rain shield one, rain shield two and rain shield three are fastened to both sides of the flange of the large gear by using connecting bolts through the lower end flanges thereof, so that the rain shield is fixed to the large gear as a whole and completely covers the belly plate of the large gear, and the rain shield can rotate with the large gear; the upper end of each rain shield does not exceed the outer edge of the gear cover pressure ring, so that the gear cover pressure ring completely covers the upper end of the rain shield.

[0005] The rain shield includes a conical rain shield, a flange, a supporting steel plate, a connecting angle steel, a connecting steel plate and a flange. A connecting steel plate is welded at the lower inner part of the conical rain shield to prevent the conical rain shield from deformation. The connecting steel plate can avoid interference between the conical rain shield and the machining allowance on the large gear flange. A supporting steel plate is welded at the middle inner part of the conical rain shield, and then a connecting angle steel is welded. The angle between the welding position and the end face is 10°. Flanges are welded on both sides of the conical rain shield for connecting the rain shield. A flange is provided at the lower part of the rain shield for engaging with the large gear flange.

[0006] The rain shield 2 includes a side connecting steel plate, a front connecting steel plate, a conical rain shield 2, a flange 3, a connecting steel plate 2, a flange 4 and a bottom connecting steel plate; the connecting steel plate 2 is welded at the lower inner side of the conical rain shield 2 to prevent the conical rain shield 2 from deformation, and the connecting steel plate 2 can avoid interference between the conical rain shield 2 and the machining allowance on the large gear flange; flanges 3 are welded on both sides of the conical rain shield 2 for connecting the rain shield; the side connecting steel plates, the front connecting steel plates and the bottom connecting steel plates are welded together, and a flange 4 is provided at the lower part of the rain shield 2 for engaging with the large gear flange.

[0007] The rain shield three includes a conical rain shield three, a flange five, a supporting steel plate two, a connecting angle steel two, a connecting steel plate three and a flange six. The connecting steel plate three is welded at the lower inner part of the conical rain shield three to prevent the conical rain shield three from deformation. The connecting steel plate three can avoid interference between the conical rain shield three and the machining allowance on the large gear flange; the supporting steel plate two is welded at the middle inner part of the conical rain shield three, and then the connecting angle steel two is welded, and the angle between the welding position and the end face is 2°; flanges five are welded on both sides of the conical rain shield three for connecting the rain shield; the lower part of the rain shield three is provided with a flange six for engaging with the large gear flange.

[0008] The semi-cone angle of the conical rainproof baffle is 74°.

[0009] The rain shields on both sides of the large gear are connected together by steel bars and connecting angle steels using bolts and nuts.

[0010] Beneficial effect: The utility model adopts segmented rain shields to connect with each other, and fixes the interconnected rain shields to the large gear flange by bolts to achieve complete coverage of the large gear belly plate, and determines the semi-cone angle of the conical rain shield to ensure that the upper end of the rain shield does not exceed the gear cover pressure ring, so that the gear cover pressure ring completely covers the upper end of the rain shield, so as to achieve the purpose of protecting the transmission part of the mill from rain, and ensure that the mill can still operate normally, stably and efficiently when operating outdoors in the rainy season. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 For this utility model Figure 1 AA cross-sectional view of ;

[0013] Figure 3 This is a schematic diagram of the structure of the rain cover 1 of the utility model;

[0014] Figure 4 For this utility model Figure 3 Schematic diagram of direction B;

[0015] Figure 5 It is a schematic diagram of the structure of the rain cover 2 of the utility model;

[0016] Figure 6 For this utility model Figure 5 Schematic diagram of C direction;

[0017] Figure 7 This is a schematic diagram of the structure of the rain cover three of the utility model;

[0018] Figure 8 For this utility model Figure 7 D direction schematic diagram.

[0019] In the figure: 1. Rain shield one; 2. Rain shield two; 3. Rain shield three; 4. Gear cover pressure ring; 5. Steel bar; 6. Large gear flange; 7. Connecting bolts; 11. Conical rain shield one; 12. Flange one; 13. Support steel plate one; 14. Connecting angle steel one; 15. Connecting steel plate one; 16. Flange two; 21. Side connecting steel plate; 22. Front connecting steel plate; 23. Conical rain shield two; 24. Flange three; 25. Connecting steel plate two; 26. Flange four; 27. Bottom connecting steel plate; 31. Conical rain shield three; 32. Flange five; 33. Support steel plate two; 34. Connecting angle steel two; 35. Connecting steel plate three; 36. Flange six. DETAILED DESCRIPTION

[0020] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1-Figure 8As shown, the utility model provides a rainproof device for a mill transmission part, including a rainproof cover 1, a rainproof cover 2, a rainproof cover 3, a gear cover pressure ring 4, a steel bar 5, a large gear flange 6 and a connecting bolt 7. The rainproof cover 1, the rainproof cover 2 and the rainproof cover 3 all include a conical rainproof baffle, a side flange and a lower end flange; the rainproof device for the mill transmission part is a segmented type, and the number of segments can be determined according to the structure and size of the large gear for combination. This embodiment is divided into ten segments, and the ten segmented rainproof covers are respectively rainproof cover 1, rainproof cover 3, rainproof cover 2, rainproof cover 3, rainproof cover 1, rainproof cover 1, rainproof cover 3 ... Rain shield one 1, rain shield three 3, rain shield two 1, rain shield three 3 and rain shield one 1 are sequentially connected to form a complete rainproof device through the side flanges on the left and right sides thereof, using bolts, nuts and washers; the rain shield one 1, rain shield two 2 and rain shield three 3 are joined on both sides of the large gear flange 6 through their lower end flanges using connecting bolts 7, so that the rain shield is fixed to both sides of the large gear as a whole, and completely blocks the web of the large gear, and the rain shield can rotate with the large gear, so that rainwater cannot enter the interior of the transmission part; the upper end of each rain shield does not exceed the outer edge of the gear cover pressure ring 4, so that the gear cover pressure ring 4 completely covers the upper end of the rain shield.

[0022] The rain shield 1 comprises a conical rain shield 11, a flange 12, a supporting steel plate 13, a connecting angle steel 14, a connecting steel plate 15 and a flange 2 16. The connecting steel plate 15 is welded to the lower inner part of the conical rain shield 11 according to its shape to prevent the conical rain shield 11 from deformation. The connecting steel plate 15 can avoid the interference between the conical rain shield 11 and the machining allowance on the large gear flange 6; the supporting steel plate 13 is welded to the middle inner part of the conical rain shield 11, and then the connecting angle steel 14 is welded. In order to avoid the web of the large gear during installation and facilitate disassembly and assembly, the angle between the welding position and the end face is 10°; flanges 12 are welded on both sides of the conical rain shield 11 for connecting the rain shield; the lower part of the rain shield 1 is provided with a flange 2 16 for engaging with the large gear flange 6.

[0023] The rain shield 2 includes a side connecting steel plate 21, a front connecting steel plate 22, a conical rain shield 23, a flange 3 24, a connecting steel plate 25, a flange 4 26 and a bottom connecting steel plate 27; the connecting steel plate 25 is welded at the lower inner side of the conical rain shield 23 according to its shape to prevent the conical rain shield 23 from deformation, and the connecting steel plate 25 can avoid the conical rain shield 23 from interfering with the machining allowance on the large gear flange 6; flanges 3 24 are welded on both sides of the conical rain shield 23 for connecting the rain shield; the side connecting steel plate 21, the front connecting steel plate 22 and the bottom connecting steel plate 27 are welded together, and a flange 4 26 is provided at the lower part of the rain shield 2 for engaging with the large gear flange 6.

[0024] The rain shield three 3 comprises a conical rain shield three 31, a flange five 32, a supporting steel plate two 33, a connecting angle steel two 34, a connecting steel plate three 35 and a flange six 36. The connecting steel plate three 35 is welded to the lower inner part of the conical rain shield three 31 according to its shape to prevent the conical rain shield three 31 from deformation. The connecting steel plate three 35 can avoid the interference of the conical rain shield three 31 with the machining allowance on the large gear flange 6; the supporting steel plate two 33 is welded to the middle inner part of the conical rain shield three 31, and then the connecting angle steel two 34 is welded. In order to avoid the web of the large gear during installation and facilitate disassembly and assembly, the angle between the welding position and the end face is 2°; flanges five 32 are welded on both sides of the conical rain shield three 31 for connecting the rain shield; a flange six 36 is provided at the lower part of the rain shield three 3 for engaging with the large gear flange 6.

[0025] The semi-cone angle of the conical rainproof baffle is 74° to ensure that its upper part does not exceed the gear cover pressing ring 4, to ensure that the gear cover pressing ring 4 completely covers the upper part of the rainproof cover, to prevent rainwater from entering the interior of the transmission part, and to achieve the purpose of rainproof.

[0026] The rain shields on both sides of the large gear are connected together by using bolts, nuts and washers through steel bars 5 with holes at both ends and perforated connecting angle steels to increase the structural stability of the rain shield and prevent the rain shield from deformation or falling off during the operation of the large gear.

[0027] The rainproof device of the mill transmission part of the utility model is of segmented type, and the number of segments can be determined according to the structure and size of the large gear for combination. Each section of the rainproof cover is connected by bolts and finally fixed on the flange of the large gear. A supporting steel plate is welded on the inside of the rainproof cover, and the connecting angle steels welded on the inside of the rainproof covers on both sides of the large gear are connected by steel bars, which ensures the stability of the rainproof cover and prevents the rainproof cover from deforming and falling off during work. The semi-conical angle of the rainproof baffle in the rainproof cover enables the gear cover pressure ring to completely cover the upper part of the rainproof device to prevent rainwater from entering the interior of the transmission part, thereby ensuring the working effect and work efficiency of the mill when operating outdoors in the rainy season and ensuring the smooth operation of the mill.

[0028] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A rainproof device for a mill transmission part, characterized in that: The invention comprises a rain cover one (1), a rain cover two (2), a rain cover three (3), a gear cover pressure ring (4), a steel bar (5), a large gear flange (6) and a connecting bolt (7). The rain cover one (1), the rain cover two (2) and the rain cover three (3) all comprise a conical rain baffle, a side flange and a lower flange. The plurality of segmented rain covers are respectively composed of the rain cover one (1), the rain cover three (3), the rain cover two (2), the rain cover three (3), the rain cover one (1), the rain cover one (1), the rain cover three (3), the rain cover two (2), the rain cover three (3), the rain cover one (1), the rain cover one (1), the rain cover three (3), the rain cover two (2), the rain cover The rain cover three (3) and the rain cover one (1) are connected in sequence through the side flanges on the left and right sides thereof by bolts and nuts to form a complete rainproof device; the rain cover one (1), the rain cover two (2) and the rain cover three (3) are connected to the two sides of the large gear flange (6) by connecting bolts (7) through the flanges at the lower ends thereof, so that the rain cover is fixed to the large gear as a whole and completely covers the web of the large gear, and the rain cover can rotate with the large gear; the upper end of each rain cover does not exceed the outer edge of the gear cover pressing ring (4), so that the gear cover pressing ring (4) completely covers the upper end of the rain cover.

2. The rainproof device for the transmission part of a mill according to claim 1, characterized in that: The rain shield (1) comprises a conical rain shield (11), a flange (12), a supporting steel plate (13), a connecting angle steel (14), a connecting steel plate (15) and a flange (16). The connecting steel plate (15) is welded at the lower inner part of the conical rain shield (11) to prevent the conical rain shield (11) from deformation. The connecting steel plate (15) can avoid interference between the conical rain shield (11) and the machining allowance on the large gear flange (6). The supporting steel plate (13) is welded at the middle inner part of the conical rain shield (11), and then the connecting angle steel (14) is welded. The angle between the welding position and the end face is 10°. Flanges (12) are welded on both sides of the conical rain shield (11) for connecting the rain shield. Flanges (16) are provided at the lower part of the rain shield (1) for engaging with the large gear flange (6).

3. The rainproof device for the mill transmission part according to claim 1 is characterized in that: The rain shield 2 (2) comprises a side connecting steel plate (21), a front connecting steel plate (22), a conical rain shield 2 (23), a flange 3 (24), a connecting steel plate 2 (25), a flange 4 (26) and a bottom connecting steel plate (27); the connecting steel plate 2 (25) is welded at the lower inner side of the conical rain shield 2 (23) to prevent the conical rain shield 2 (23) from deformation, and the connecting steel plate 2 (25) can avoid interference between the conical rain shield 2 (23) and the machining allowance on the large gear flange (6); flanges 3 (24) are welded on both sides of the conical rain shield 2 (23) for connecting the rain shield; the side connecting steel plate (21), the front connecting steel plate (22) and the bottom connecting steel plate (27) are welded together, and a flange 4 (26) is provided at the lower part of the rain shield 2 (2) for engaging with the large gear flange (6).

4. The rainproof device for the mill transmission part according to claim 1, characterized in that: The rain shield three (3) comprises a conical rain shield three (31), a flange five (32), a supporting steel plate two (33), a connecting angle steel two (34), a connecting steel plate three (35) and a flange six (36). The connecting steel plate three (35) is welded at the lower inner part of the conical rain shield three (31) to prevent the conical rain shield three (31) from deformation. The connecting steel plate three (35) can avoid the conical rain shield three (31) from interfering with the machining allowance on the large gear flange (6); the supporting steel plate two (33) is welded at the middle inner part of the conical rain shield three (31), and then the connecting angle steel two (34) is welded. The angle between the welding position and the end face is 2°; flanges five (32) are welded on both sides of the conical rain shield three (31) for connecting the rain shield; the lower part of the rain shield three (3) is provided with a flange six (36) for engaging with the large gear flange (6).

5. The rainproof device for the transmission part of a mill according to any one of claims 1 to 4, characterized in that: The semi-cone angle of the conical rainproof baffle is 74°.

6. The rainproof device for the transmission part of a mill according to any one of claims 1 to 4, characterized in that: The rain shields on both sides of the large gear are connected together by means of steel bars (5) and connecting angle steels using bolts and nuts.

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